421282 has 8 divisors (see below), whose sum is σ = 649116. Its totient is φ = 204912.

The previous prime is 421279. The next prime is 421303. The reversal of 421282 is 282124.

It can be written as a sum of positive squares in 2 ways, for example, as 421201 + 81 = 649^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773 + ... + 2920.

2⁴²¹²⁸² is an apocalyptic number.

421282 is a deficient number, since it is larger than the sum of its proper divisors (227834).

421282 is a wasteful number, since it uses less digits than its factorization.

421282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732.

The product of its digits is 256, while the sum is 19.

The square root of 421282 is about 649.0624006981. The cubic root of 421282 is about 74.9648427814.

It can be divided in two parts, 421 and 282, that added together give a triangular number (703 = T₃₇).

The spelling of 421282 in words is "four hundred twenty-one thousand, two hundred eighty-two".